 /*******************************************************************************
  * Copyright (c) 2004, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.core.internal.registry;

 import org.eclipse.core.runtime.IPluginDescriptor;
 import org.eclipse.core.runtime.InvalidRegistryObjectException;
 import org.osgi.framework.Bundle;

 /**
  * This class contains only compatibility-specific code.
  *
  * @deprecated marked as deprecated to supress warnings
  */
 public class ExtensionHandle extends BaseExtensionHandle {

     static final ExtensionHandle[] EMPTY_ARRAY = new ExtensionHandle[0];

     public ExtensionHandle(IObjectManager objectManager, int id) {
         super(objectManager, id);
     }

     public IPluginDescriptor getDeclaringPluginDescriptor() throws InvalidRegistryObjectException {
         String namespace = getContributor().getName();
         IPluginDescriptor result = RegistryCompatibilityHelper.getPluginDescriptor(namespace);
         if (result == null) {
             Bundle underlyingBundle = BundleHelper.getDefault().getBundle(namespace);
             if (underlyingBundle != null) {
                 Bundle[] hosts = BundleHelper.getDefault().getHosts(underlyingBundle);
                 if (hosts != null)
                     result = RegistryCompatibilityHelper.getPluginDescriptor(hosts[0].getSymbolicName());
             }
         }

         return result;
     }
 }

